If before 1989 you always bought second best fruit and wondered if the first-quality one is to be produced in honor of the next political congress or missed the holiday cake in the supermarket due to the erroneous census without counting the propensity to consume- then you came from the Eastern part of the wall.
But if you were afraid that someone would take your turn in the shop for the nicely-smiling car seller or got calmed in thinking your stolen wallet was safe after being in the country not out- then you came from the Western part.